{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "1ba56403",
   "metadata": {},
   "source": [
    "# 本周内容"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "9d958b86",
   "metadata": {},
   "source": [
    "## 1.1 知识概念\n",
    "> 1. 一切都是I/O： 软工到产品的一般化知识\n",
    "> 2. 语音识别：speech recognition\n",
    "> 3. 语言唤醒\n",
    "> 4. 自动语言识别：Automatic Speech Recognition,简称ASR\n",
    "> 5. 语音合成：text to speech,简称TTS"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "2be6b4c3",
   "metadata": {},
   "source": [
    "## 语音识别测试"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "0a20c9d2",
   "metadata": {},
   "outputs": [],
   "source": [
    "\n",
    "API_KEY = 'tvaSejaORotpZjfUSeP4rUMw'\n",
    "SECRET_KEY = 'F7ubLMgrSLkHPS4S9ricHsiD6lMV86FB'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "7dfcc1ee",
   "metadata": {},
   "outputs": [],
   "source": [
    "import sys\n",
    "import json\n",
    "import base64\n",
    "import time"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "16fd2841",
   "metadata": {},
   "outputs": [],
   "source": [
    "IS_PY3 = sys.version_info.major == 3"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "id": "0b25adcd",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "{\"refresh_token\":\"25.f24b077063dd351507097ea8ec30865a.315360000.1968150667.282335-26255791\",\"expires_in\":2592000,\"session_key\":\"9mzdXvT0FmUoRzmRtZcuy4CIDSFjbP+\\/Y0bbBEI9EAiEUZAxLMrpf88Z5W+yCn5Wn4jTa8azsRlgDIDsTiLELKwfejtW8w==\",\"access_token\":\"24.e1493f4f02006c54887a463188228fda.2592000.1655382667.282335-26255791\",\"scope\":\"audio_voice_assistant_get brain_enhanced_asr audio_tts_post brain_speech_realtime public brain_all_scope brain_asr_async wise_adapt lebo_resource_base lightservice_public hetu_basic lightcms_map_poi kaidian_kaidian ApsMisTest_Test\\u6743\\u9650 vis-classify_flower lpq_\\u5f00\\u653e cop_helloScope ApsMis_fangdi_permission smartapp_snsapi_base smartapp_mapp_dev_manage iop_autocar oauth_tp_app smartapp_smart_game_openapi oauth_sessionkey smartapp_swanid_verify smartapp_opensource_openapi smartapp_opensource_recapi fake_face_detect_\\u5f00\\u653eScope vis-ocr_\\u865a\\u62df\\u4eba\\u7269\\u52a9\\u7406 idl-video_\\u865a\\u62df\\u4eba\\u7269\\u52a9\\u7406 smartapp_component smartapp_search_plugin avatar_video_test b2b_tp_openapi b2b_tp_openapi_online smartapp_gov_aladin_to_xcx\",\"session_secret\":\"e11d733760c702e31b50f9382f8114ef\"}\n",
      "\n",
      "{'refresh_token': '25.f24b077063dd351507097ea8ec30865a.315360000.1968150667.282335-26255791', 'expires_in': 2592000, 'session_key': '9mzdXvT0FmUoRzmRtZcuy4CIDSFjbP+/Y0bbBEI9EAiEUZAxLMrpf88Z5W+yCn5Wn4jTa8azsRlgDIDsTiLELKwfejtW8w==', 'access_token': '24.e1493f4f02006c54887a463188228fda.2592000.1655382667.282335-26255791', 'scope': 'audio_voice_assistant_get brain_enhanced_asr audio_tts_post brain_speech_realtime public brain_all_scope brain_asr_async wise_adapt lebo_resource_base lightservice_public hetu_basic lightcms_map_poi kaidian_kaidian ApsMisTest_Test权限 vis-classify_flower lpq_开放 cop_helloScope ApsMis_fangdi_permission smartapp_snsapi_base smartapp_mapp_dev_manage iop_autocar oauth_tp_app smartapp_smart_game_openapi oauth_sessionkey smartapp_swanid_verify smartapp_opensource_openapi smartapp_opensource_recapi fake_face_detect_开放Scope vis-ocr_虚拟人物助理 idl-video_虚拟人物助理 smartapp_component smartapp_search_plugin avatar_video_test b2b_tp_openapi b2b_tp_openapi_online smartapp_gov_aladin_to_xcx', 'session_secret': 'e11d733760c702e31b50f9382f8114ef'}\n",
      "SUCCESS WITH TOKEN: 24.e1493f4f02006c54887a463188228fda.2592000.1655382667.282335-26255791 ; EXPIRES IN SECONDS: 2592000\n",
      "url is http://vop.baidu.com/server_api?cuid=123456PYTHON&token=24.e1493f4f02006c54887a463188228fda.2592000.1655382667.282335-26255791&dev_pid=1537\n",
      "header is {'Content-Type': 'audio/pcm; rate=16000', 'Content-Length': 129600}\n",
      "Request time cost 0.473348\n",
      "{\"corpus_no\":\"7098681863276989428\",\"err_msg\":\"success.\",\"err_no\":0,\"result\":[\"北京科技馆。\"],\"sn\":\"248031248581652790667\"}\n",
      "\n"
     ]
    }
   ],
   "source": [
    "if IS_PY3:\n",
    "    from urllib.request import urlopen\n",
    "    from urllib.request import Request\n",
    "    from urllib.error import URLError\n",
    "    from urllib.parse import urlencode\n",
    "\n",
    "    timer = time.perf_counter\n",
    "else:\n",
    "    import urllib2\n",
    "    from urllib2 import urlopen\n",
    "    from urllib2 import Request\n",
    "    from urllib2 import URLError\n",
    "    from urllib import urlencode\n",
    "\n",
    "    if sys.platform == \"win32\":\n",
    "        timer = time.clock\n",
    "    else:\n",
    "        # On most other platforms the best timer is time.time()\n",
    "        timer = time.time\n",
    "\n",
    "\n",
    "# 需要识别的文件\n",
    "AUDIO_FILE = './audio/16k.pcm'  # 只支持 pcm/wav/amr 格式，极速版额外支持m4a 格式\n",
    "# 文件格式\n",
    "FORMAT = AUDIO_FILE[-3:];  # 文件后缀只支持 pcm/wav/amr 格式，极速版额外支持m4a 格式\n",
    "\n",
    "CUID = '123456PYTHON';\n",
    "# 采样率\n",
    "RATE = 16000;  # 固定值\n",
    "\n",
    "# 普通版\n",
    "\n",
    "DEV_PID = 1537;  # 1537 表示识别普通话，使用输入法模型。根据文档填写PID，选择语言及识别模型\n",
    "ASR_URL = 'http://vop.baidu.com/server_api'\n",
    "SCOPE = 'audio_voice_assistant_get'  # 有此scope表示有asr能力，没有请在网页里勾选，非常旧的应用可能没有\n",
    "\n",
    "#测试自训练平台需要打开以下信息， 自训练平台模型上线后，您会看见 第二步：“”获取专属模型参数pid:8001，modelid:1234”，按照这个信息获取 dev_pid=8001，lm_id=1234\n",
    "# DEV_PID = 8001 ;   \n",
    "# LM_ID = 1234 ;\n",
    "\n",
    "# 极速版 打开注释的话请填写自己申请的appkey appSecret ，并在网页中开通极速版（开通后可能会收费）\n",
    "\n",
    "#DEV_PID = 80001\n",
    "#ASR_URL = 'http://vop.baidu.com/pro_api'\n",
    "#SCOPE = 'brain_enhanced_asr'  # 有此scope表示有asr能力，没有请在网页里开通极速版\n",
    "\n",
    "# 忽略scope检查，非常旧的应用可能没有\n",
    "# SCOPE = False\n",
    "\n",
    "\n",
    "# 极速版\n",
    "\n",
    "class DemoError(Exception):\n",
    "    pass\n",
    "\n",
    "\n",
    "\"\"\"  TOKEN start \"\"\"\n",
    "\n",
    "TOKEN_URL = 'http://aip.baidubce.com/oauth/2.0/token'\n",
    "\n",
    "\n",
    "def fetch_token():\n",
    "    params = {'grant_type': 'client_credentials',\n",
    "              'client_id': API_KEY,\n",
    "              'client_secret': SECRET_KEY}\n",
    "    post_data = urlencode(params)\n",
    "    if (IS_PY3):\n",
    "        post_data = post_data.encode('utf-8')\n",
    "    req = Request(TOKEN_URL, post_data)\n",
    "    try:\n",
    "        f = urlopen(req)\n",
    "        result_str = f.read()\n",
    "    except URLError as err:\n",
    "        print('token http response http code : ' + str(err.code))\n",
    "        result_str = err.read()\n",
    "    if (IS_PY3):\n",
    "        result_str = result_str.decode()\n",
    "\n",
    "    print(result_str)\n",
    "    result = json.loads(result_str)\n",
    "    print(result)\n",
    "    if ('access_token' in result.keys() and 'scope' in result.keys()):\n",
    "        if SCOPE and (not SCOPE in result['scope'].split(' ')):  # SCOPE = False 忽略检查\n",
    "            raise DemoError('scope is not correct')\n",
    "        print('SUCCESS WITH TOKEN: %s ; EXPIRES IN SECONDS: %s' % (result['access_token'], result['expires_in']))\n",
    "        return result['access_token']\n",
    "    else:\n",
    "        raise DemoError('MAYBE API_KEY or SECRET_KEY not correct: access_token or scope not found in token response')\n",
    "\n",
    "\n",
    "\"\"\"  TOKEN end \"\"\"\n",
    "\n",
    "if __name__ == '__main__':\n",
    "    token = fetch_token()\n",
    "\n",
    "    \"\"\"\n",
    "    httpHandler = urllib2.HTTPHandler(debuglevel=1)\n",
    "    opener = urllib2.build_opener(httpHandler)\n",
    "    urllib2.install_opener(opener)\n",
    "    \"\"\"\n",
    "\n",
    "    speech_data = []\n",
    "    with open(AUDIO_FILE, 'rb') as speech_file:\n",
    "        speech_data = speech_file.read()\n",
    "    length = len(speech_data)\n",
    "    if length == 0:\n",
    "        raise DemoError('file %s length read 0 bytes' % AUDIO_FILE)\n",
    "\n",
    "    params = {'cuid': CUID, 'token': token, 'dev_pid': DEV_PID}\n",
    "    #测试自训练平台需要打开以下信息\n",
    "    #params = {'cuid': CUID, 'token': token, 'dev_pid': DEV_PID, 'lm_id' : LM_ID}\n",
    "    params_query = urlencode(params);\n",
    "\n",
    "    headers = {\n",
    "        'Content-Type': 'audio/' + FORMAT + '; rate=' + str(RATE),\n",
    "        'Content-Length': length\n",
    "    }\n",
    "\n",
    "    url = ASR_URL + \"?\" + params_query\n",
    "    print(\"url is\", url);\n",
    "    print(\"header is\", headers)\n",
    "    # print post_data\n",
    "    req = Request(ASR_URL + \"?\" + params_query, speech_data, headers)\n",
    "    try:\n",
    "        begin = timer()\n",
    "        f = urlopen(req)\n",
    "        result_str = f.read()\n",
    "        print(\"Request time cost %f\" % (timer() - begin))\n",
    "    except  URLError as err:\n",
    "        print('asr http response http code : ' + str(err.code))\n",
    "        result_str = err.read()\n",
    "\n",
    "    if (IS_PY3):\n",
    "        result_str = str(result_str, 'utf-8')\n",
    "    print(result_str)\n",
    "    with open(\"result.txt\", \"w\") as of:\n",
    "        of.write(result_str)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "ee9dafb8",
   "metadata": {},
   "outputs": [],
   "source": [
    "# 语音识别自动回复文本机器人\n",
    "> 1. 准备"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "id": "1db52b1e",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Requirement already satisfied: SpeechRecognition in d:\\anaconda3\\lib\\site-packages (3.8.1)\n"
     ]
    }
   ],
   "source": [
    "!pip install SpeechRecognition"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "b8d9b526",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Requirement already satisfied: pipwin in d:\\anaconda3\\lib\\site-packages (0.5.2)\n",
      "Requirement already satisfied: beautifulsoup4>=4.9.0 in d:\\anaconda3\\lib\\site-packages (from pipwin) (4.9.3)\n",
      "Requirement already satisfied: packaging in d:\\anaconda3\\lib\\site-packages (from pipwin) (20.9)\n",
      "Requirement already satisfied: six in d:\\anaconda3\\lib\\site-packages (from pipwin) (1.15.0)\n",
      "Requirement already satisfied: docopt in d:\\anaconda3\\lib\\site-packages (from pipwin) (0.6.2)\n",
      "Requirement already satisfied: pyprind in d:\\anaconda3\\lib\\site-packages (from pipwin) (2.11.3)\n",
      "Requirement already satisfied: requests in d:\\anaconda3\\lib\\site-packages (from pipwin) (2.25.1)\n",
      "Requirement already satisfied: js2py in d:\\anaconda3\\lib\\site-packages (from pipwin) (0.71)\n",
      "Requirement already satisfied: pySmartDL>=1.3.1 in d:\\anaconda3\\lib\\site-packages (from pipwin) (1.3.4)\n",
      "Requirement already satisfied: soupsieve>1.2 in d:\\anaconda3\\lib\\site-packages (from beautifulsoup4>=4.9.0->pipwin) (2.2.1)\n",
      "Requirement already satisfied: tzlocal>=1.2 in d:\\anaconda3\\lib\\site-packages (from js2py->pipwin) (4.2)\n",
      "Requirement already satisfied: pyjsparser>=2.5.1 in d:\\anaconda3\\lib\\site-packages (from js2py->pipwin) (2.7.1)\n",
      "Requirement already satisfied: pytz-deprecation-shim in d:\\anaconda3\\lib\\site-packages (from tzlocal>=1.2->js2py->pipwin) (0.1.0.post0)\n",
      "Requirement already satisfied: backports.zoneinfo in d:\\anaconda3\\lib\\site-packages (from tzlocal>=1.2->js2py->pipwin) (0.2.1)\n",
      "Requirement already satisfied: tzdata in d:\\anaconda3\\lib\\site-packages (from tzlocal>=1.2->js2py->pipwin) (2022.1)\n",
      "Requirement already satisfied: pyparsing>=2.0.2 in d:\\anaconda3\\lib\\site-packages (from packaging->pipwin) (2.4.7)\n",
      "Requirement already satisfied: certifi>=2017.4.17 in d:\\anaconda3\\lib\\site-packages (from requests->pipwin) (2020.12.5)\n",
      "Requirement already satisfied: idna<3,>=2.5 in d:\\anaconda3\\lib\\site-packages (from requests->pipwin) (2.10)\n",
      "Requirement already satisfied: chardet<5,>=3.0.2 in d:\\anaconda3\\lib\\site-packages (from requests->pipwin) (4.0.0)\n",
      "Requirement already satisfied: urllib3<1.27,>=1.21.1 in d:\\anaconda3\\lib\\site-packages (from requests->pipwin) (1.26.4)\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "Usage:\n",
      "  pipwin install (<package> | [-r=<file> | --file=<file>]) [--proxy=<proxy>]\n",
      "  pipwin uninstall <package>\n",
      "  pipwin download (<package> | [-r=<file> | --file=<file>]) [-d=<dest> | --dest=<dest>] [--proxy=<proxy>]\n",
      "  pipwin search <package> [--proxy=<proxy>]\n",
      "  pipwin list\n",
      "  pipwin refresh [--log=<log>] [--proxy=<proxy>]\n",
      "  pipwin (-h | --help)\n",
      "  pipwin (-v | --version)\n"
     ]
    }
   ],
   "source": [
    "!pip install pipwin \n",
    "!pipwin instll PyAudio"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "faeceb9e",
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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